Cape Cod Water Temperature

Cape Cod is a beautiful historic region just an hours short drive from Boston. Dotted along the Cape you will find beautiful towns and villages full of culture, art and history.


The Cape is known for its fresh seafood and lobster, miles of gorgeous beaches and beautifully classic Cape Cod style buildings which will make you believe you’ve entered a story book.

Cape Cod is a town close to atlantic ocean. August is the month with the hottest water temperature at 68.5°F / 20.3°C. The coldest month is February with an ø water temperature of 36.9°F / 2.7°C. August is the month with the lowest precipitation of 0in / 0mm and January with the highest precipitation in a year with 1.7in / 42.2mm. The avg. air temperature is around 70.5°F / 21.4°C, August is the month with the highest temperature. January is the coolest with 33.1°F / 0.6°C average air temperature. June, July, August, September would be the best time to visit. temperate oceanic climate with warm summer would be the climate here.

Cape Cod Summary

Description Value
Current water temperature 53.6 °F / 12 °C
Warmest Month Water Temperature: August with 68.5°F / 20.3°C
Coldest Month Water Temperature: February with 36.9°F / 2.7°C
Warmest Month Air Temperature: August with 70.5°F / 21.4°C
Coldest Month Air Temperature: January with 33.1°F / 0.6°C
Wettest Month: January with 42.2in / 42.2mm
Highest Humidity June with 82.5%
Lowest Humidity February with 70.6%
Best Time to Visit: June, July, August, September
Climate Classification temperate oceanic climate with warm summer

Cape Cod Water Temperature

Barnstable,United States of America: The current water temperature 53.6 °F

The temperature is too cold to swim

Cape Cod water temperature by month

Max. Water

Temperature

(°F)

ø. Water

Temperature

(°F)

Min. Water

Temperature

(°F)

January

42.4 39.7 37.6

February

37.6 37 36.3

March

39.9 37.9 36.9

April

46.6 43 39.9
May 55.4 50.7 46.6

June

63.7 59 55.6

July

68.5 66.6 63.5

August

69.4 68.4 67.1

September

67.5 65.3 62.8

October

62.6 58.3 53.8

November

54 50.7 47.3

December

47.3 44.8 42.3

Barnstable,United States of America: The current water temperature 12 °C

The temperature is too cold to swim

Cape Cod water temperature by month

Max. Water

Temperature

(°C)

ø. Water

Temperature

(°C)

Min. Water

Temperature

(°C)

January

5.8 4.3 3.1

February

3.1 2.8 2.4

March

4.4 3.3 2.7

April

8.1 6.1 4.4
May 13 10.4 8.1

June

17.6 15 13.1

July

20.3 19.2 17.5

August

20.8 20.2 19.5

September

19.7 18.5 17.1

October

17 14.6 12.1

November

12.2 10.4 8.5

December

8.5 7.1 5.7
The highest water temperature will be reached in August with around 68.5°F / 20.3°C. The lowest in February with an average water temperature of 36.9°F / 2.7°C.

Cape Cod has become a popular tourist in the summer months, and experiences cooler spring and mild fall seasons. Head to the Cape late summer or early fall to catch the best weather, and warmest water temperatures for swimming (average 65 F water temperature).


Cape Cod Weather Forecast for the next 14 Days

Date Weather High Temp. Low Temp. Rain? Windspeed Precipitation Humidity
Nov 30.
Partly Cloudy
48 °F
9 °C
37 °F
3 °C
0 %
19.9 mph
32 km/h
0 inch
0 mm
64%
Dec 01.
Partly Cloudy
43 °F
6 °C
37 °F
3 °C
0 %
21.7 mph
35 km/h
0 inch
0 mm
58%
Dec 02.
Partly Cloudy
37 °F
3 °C
34 °F
1 °C
0 %
19.9 mph
32 km/h
0 inch
0 mm
53%
Dec 03.
Partly Cloudy
46 °F
8 °C
36 °F
2 °C
0 %
23 mph
37 km/h
0 inch
0 mm
63%
Dec 04.
Patchy rain nearby
45 °F
7 °C
37 °F
3 °C
81 %
20.5 mph
33 km/h
0.1 inch
2.1 mm
68%
Dec 05.
Partly Cloudy
41 °F
5 °C
39 °F
4 °C
0 %
19.3 mph
31 km/h
0 inch
0 mm
62%
Dec 06.
Partly Cloudy
37 °F
3 °C
34 °F
1 °C
0 %
19.3 mph
31 km/h
0 inch
0 mm
59%
Date Weather High Temp. Low Temp. Rain? Windspeed Precipitation Humidity
Dec 07.
Partly Cloudy
41 °F
5 °C
32 °F
0 °C
0 %
11.2 mph
18 km/h
0 inch
0 mm
58%
Dec 08.
Overcast
50 °F
10 °C
43 °F
6 °C
0 %
16.2 mph
26 km/h
0 inch
0 mm
76%
Dec 09.
Moderate rain
37 °F
3 °C
25 °F
-4 °C
77 %
25.5 mph
41 km/h
0.8 inch
19.5 mm
71%
Dec 09.
Moderate rain
37 °F
3 °C
25 °F
-4 °C
77 %
25.5 mph
41 km/h
0.8 inch
19.5 mm
71%
Dec 10.
Partly Cloudy
39 °F
4 °C
23 °F
-5 °C
0 %
10.6 mph
17 km/h
0 inch
0 mm
64%
Dec 11.
Moderate rain
39 °F
4 °C
34 °F
1 °C
87 %
22.4 mph
36 km/h
0.6 inch
15.5 mm
75%
Dec 12.
Patchy rain nearby
43 °F
6 °C
36 °F
2 °C
89 %
20.5 mph
33 km/h
0 inch
0.4 mm
66%

Cape Cod weather by month

Max.

Temperature

(°F)

ø.

Temperature

(°F)

Min.

Temperature

(°F)

Precip.

(inch)

Rainy Days

(day)

Rel. Humidity

(%)

January

42.1 33.1 24.1 42.2 2.6 71.4%

February

41 33.4 25.9 15.2 0.6 70.6%

March

47.3 37.6 29.1 25.3 0.7 71.9%

April

53.4 45.3 37.4 9.2 2.5 75.1%

May

63.7 53.8 45.9 21.5 0 80.2%

June

72.1 62.6 55.4 6.4 0 82.5%

July

75.6 70.3 65.1 1 0 81.9%

August

76.1 70.5 65.7 0 0 81.6%

September

72 65.5 60.1 2.6 0 78.6%

October

65.3 56.3 46.2 9.3 0 73.4%

November

58.1 47.3 38.7 0 0.6 71.9%

December

48.7 39.4 32.5 29.9 1.9 71.5%
Max.

Temperature

(°C)

ø.

Temperature

(°C)

Min.

Temperature

(°C)

Precip.

(mm)

Rainy Days

(days)

Rel. Humidity

(%)

January

5.6 0.6 -4.4 42.2 2.6 71.4%

February

5 0.8 -3.4 15.2 0.6 70.6%

March

8.5 3.1 -1.6 25.3 0.7 71.9%

April

11.9 7.4 3 9.2 2.5 75.1%

May

17.6 12.1 7.7 21.5 0 80.2%

June

22.3 17 13 6.4 0 82.5%

July

24.2 21.3 18.4 1 0 81.9%

August

24.5 21.4 18.7 0 0 81.6%

September

22.2 18.6 15.6 2.6 0 78.6%

October

18.5 13.5 7.9 9.3 0 73.4%

November

14.5 8.5 3.7 0 0.6 71.9%

December

9.3 4.1 0.3 29.9 1.9 71.5%
August is the most draught at 0in / 0mm and January the month with the most rain around 1.7in / 42.2mm. The avg. temperature is around 70.5°F / 21.4°C, August is the hottest month in a year. January is the coolest with 33.1°F / 0.6°C avg. temperature.

Getting to the Cape from Boston is easy with many different options available including train, bus, ferry or driving however if you really want to explore the area properly hire a car and head down highway 6a visiting the studios of local artists or stop in at the villages along your journey.

Activities around Cape Cod

If museum’s are your thing head to the famous glass museum in the quaint village of Sandwich and watch glass blowing in action or learn more about JFK at the JFK museum in Hyannis. Cape Cod also has a range of water activities available including windsurfing, boating or fishing.

With friendly locals always ready to help Cape Cod is a great holiday destination for all ages with something for everyone.

Activities & POI in Cape Cod

Type of Activity List
Beach Sandy Neck Beach, Craigville Beach, Dowses Beach, Keyes Memorial Beach, Long Beach, Wianno Beach, Chapin Memorial Beach, Scorton Neck Beach, Thachers Beach, Englewood Beach, Hyannis Port Beach, Christian Camp Meeting Beach, Seagull Beach, Millway Beach, Keyes Beach, Bay View Street Beach, Grays Beach, Public Beach, Hamblini Pond Beach
Marina for Sailing, Boat adventures, fishing Hyannis Marina, Hyannis Port Yacht Club, Hyannis Yacht Club Mooring Field
Attraction Wild Animal Lagoon, Jump On Us!, Putter's Paradise, Pirates Cove, Wackenhammer's Clockwork Arcade and Carousel
Golf Course Hyannis Golf Course, Hyannisport Club, Twin Brooks Golf Course, Olde Barnstable Fairgrounds, Wianno Club, Bayberry Hills Golf Course, Oyster Harbors Club, Cummaquid Golf Club

Picture Copyright: Flickr CC 2.0 sukhchander

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